<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>模拟select</title>
    <script src="../jquery-3.1.1.js"></script>
    <style>
        .header{
            width: 250px;
            margin: 100px auto 0 auto;
            background-color: cyan;
            
            font-size: 18px;
        }
        .header span:nth-child(1){
            /*display: inline-block;*/
            width: 80px;
            background-color: orange;
        }
        .content{
            width: 100px;
            margin: 0 auto;
            text-align: center;
        }
    </style>
</head>
<body>
    <div class="header">
        <span>选择项目：</span>
        <span class="select">未选择</span>
    </div>
    <div class="content">
        <div class="left">
            
        </div>
        <div class="right">
            <div>html5</div>
            <div>css3</div>
            <div>JavaScript</div>
            <div>jQuery</div>
        </div>
        
    </div>
</body>
</html>
<script>

</script>